Product Solutions
Custom Cylindrical Lithium Battery Packs
Our cylindrical lithium battery range covers 18650 and 21700 cells, custom series-parallel pack layouts, high-rate designs and smart BMS integration for industrial and consumer applications.
Key Advantages
- A-grade 18650 and 21700 lithium-ion cells
- Series and parallel pack design for custom voltage and capacity
- High-rate discharge options for tools and mobility
- Smart BMS, protection board and wiring customization
- Support for UN38.3, MSDS, CE and RoHS documentation
Typical Applications
- Power tools
- E-bikes, scooters and light electric mobility
- Portable power and backup devices
- Robot vacuums and service robots
- Industrial equipment and outdoor lighting
Technical Range
- Cell Formats
- 18650 / 21700 and custom pack formats
- Voltage
- 3.7V single cell to custom high-voltage packs
- Capacity
- 1,500mAh to 50Ah+ pack designs
- Cycle Life
- 800+ cycles, depending on cell and design
- Customization
- BMS, nickel strip, wiring, connector and housing
Buyer Guide
How to Choose Custom Cylindrical Lithium Battery Packs
Cylindrical lithium battery packs use formats such as 18650 and 21700 for stable capacity, high consistency and efficient series-parallel pack design. They are widely used in power tools, robotics, e-mobility, industrial electronics and outdoor devices.
What is the difference between 18650 and 21700 cells?+
21700 cells are larger and usually provide higher capacity per cell, while 18650 cells are mature, widely available and useful for compact pack layouts.
Can you build 3S2P, 4S2P or other custom cylindrical packs?+
Yes. We design cylindrical battery packs with series-parallel configurations, BMS protection, nickel strip welding, wiring, connectors and housing options.
Which applications use cylindrical lithium battery packs?+
Common applications include power tools, handheld terminals, mobility devices, robotics, POS systems, outdoor equipment and industrial rechargeable devices.
Available Models
Custom Cylindrical Lithium Battery Packs Models
18500-2S 7.4V 1,600mAh Lithium-ion Battery Pack
7.4V / 1,600mAh
18650 3.7V 2,200mAh Lithium-ion Cell
3.7V / 2,200mAh
18650-2S 7.4V 3,500mAh Lithium-ion Battery Pack
7.4V / 3,500mAh
18650-2S2P 7.4V 4,000mAh Lithium-ion Battery Pack
7.4V / 4,000mAh
18650-4S1P 14.4V 3,200mAh Lithium-ion Battery Pack
14.4V / 3,200mAh
21700-4S1P 14.76V 4,800mAh Lithium-ion Battery Pack
14.76V / 4,800mAh
18650-2S4P 7.4V 8,000mAh Lithium-ion Battery Pack
7.4V / 8,000mAh
18650-3P 3.7V 7,800mAh Lithium-ion Cell
3.7V / 7,800mAh
Solicitar cotización - Custom Cylindrical Lithium Battery Packs
Diseñamos packs de batería a medida desde 10 mAh hasta 100 kWh. Envíenos sus requisitos — nuestros ingenieros responden en 24 horas.